US, other wealthy nations vow global warming cuts. President Barack Obama and other leaders of the world's richest industrial countries pledged Wednesday to seek dramatic cuts in greenhouse gas emissions by 2050 to slow dangerous climate change and agreed that worldwide temperatures must not rise more than two degrees Celsius. [News Source]

Promises, promises: Obama’s pledge at G-8 on climate change relies on politics back home. President Barack Obama made the world his boldest promise yet Wednesday in the battle to slow the heating of the planet. The catch is that politics at home will determine if the U.S. — and Obama — can deliver. [News Source]

Climate change could boost U.S. dengue fever cases. Climate change could push dengue fever into all corners of the United States, as the mosquitoes that can carry the traditionally tropical virus survive warmer U.S. winters, researchers said on Wednesday. [News Source]

Climate change fuels conflicts in Karamoja. The Karimojong blame the spell of calamities like drought and disease to the “angry gods.” Little do they know that their area is suffering the consequences of a larger problem—climate change. [News Source]

Oh, that G-8. Every nation represented at L’Aquila has a clear interest in slowing global warming and helping the world’s poorest nations prosper. It is up to Mr. Obama to remind and energize them. [News Source]

G8 must galvanise talks on warming. The summit meeting of the Group of Eight industrialised nations that opened in Italy on Wednesday looks increasingly like an event in search of a purpose. [News Source]

Nuclear needs a bigger role in the energy bill. For America to reach the energy goals set forth in HR 2454, especially those on carbon emissions and renewable generation, more power will have to be generated by nuclear plants. It’s that simple. [News Source]

White-coated warriors take our breath away. Even without climate change, there's still the filth, waste and breathtaking short-termism of a fossil fuel economy. Planet Earth is our house. Minimising, containing and recycling our excretions is simple common sense. [News Source]

Freeloader option is asking for trouble. As we debate what emissions target to adopt for 2020 we should heed the signals from Washington and Geneva that going for a freeloader option would be not only discreditable but dangerous. [News Source]

One way to decide how nations reduce their carbon footprint. When it comes to reducing human-emitted greenhouse gases, it’s all about fairness. By how much should rich nations reduce their carbon footprint? By how much poorer nations, for whom a reduction may hurt much more? [News Source]

More grim news about the bay. Just how much trouble the Chesapeake Bay might be in was made clearer with Tuesday's release of a new report by the Chesapeake Bay Foundation that outlines four serious threats to human health stemming from pollution. [News Source]